Tutorial by Topics: co

PHP is an open source project, and as such, anyone is able to contribute to it. Broadly speaking, there are two ways to contribute to the PHP core: Bug fixing Feature additions Before contributing, however, it is important to understand how PHP versions are managed and released so that bug ...

Shows how a sqoop script could be used to import data from various datastores/databases.

ParameterDetailsvalueThe value produced by the binding source.valuesThe values array, produced by the binding source.targetTypeThe type of the binding target property.parameterThe converter parameter to use.cultureThe culture to use in the converter. What IValueConverter and IMultiValueConvertert...

UPPERCASE your constant: Writing constant in capital is a common best practice used in many languages. It's also useful to clearly identify the nature of injected elements: When you see .controller('MyController', function($scope, Profile, EVENT)), you instantly know that: $scope is an angular...

cp [options] source destination OptionDescription-a,-archiveCombines the d, p and r options-b, -backupBefore removal, makes a backup-d, --no-deferencePreserves links-f, --forceRemove existing destinations without prompting user-i, --interactiveShow prompt before overwriting-l, --linkInstead...

Usually each container should hosts one process. In case you need multiple processes in one container (e.g. an SSH server to login to your running container instance) you could get the idea to write you own shell script that starts those processes. In that case you had to take care about the SIGNA...

ParameterDetailsexprIn case the "try part" was completed successfully tryCatch will return the last evaluated expression. Hence, the actual value being returned in case everything went well and there is no condition (i.e. a warning or an error) is the return value of readLines. Note that ...

No matter what linter you choose every JavaScript Project should use one. They can help find error and make code more consistent. For more comparisions check out comparison JavaScript linting tools

MY_CONSTANT_NAME = "my value" Constants are useful in Ruby when you have values that you do not want to be mistakenly changed in a program, such as API keys.

$global_variable @@class_variable @instance_variable local_variable Class variables are shared in the class hierarchy. This can result in surprising behavior. class A @@variable = :x def self.variable @@variable end end class B < A @@variable = :y end A.var...